Adapter



FIG. 1 is a top perspective view of an adapter showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The broken lines depict portions of the adapter in which the design is embodied that form no part of the claimed design. 

CLAIM The ornamental design for an adapter, as shown and described. 